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# Copyright (c) 2015, NORDUnet A/S
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
# - Redistributions of source code must retain the above copyright notice,
#   this list of conditions and the following disclaimer.
#
# - Redistributions in binary form must reproduce the above copyright
#   notice, this list of conditions and the following disclaimer in the
#   documentation and/or other materials provided with the distribution.
#
# - Neither the name of the NORDUnet nor the names of its contributors may
#   be used to endorse or promote products derived from this software
#   without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
# IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
# PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
# TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
# PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
# LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
# NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

ifndef CRYPTECH_ROOT
  CRYPTECH_ROOT := $(abspath ../../..)
endif

LIBTFM_SRC	?= ${CRYPTECH_ROOT}/sw/thirdparty/libtfm
LIBTFM_BLD	?= ${LIBTFM_SRC}

LIBHAL_SRC	?= ${CRYPTECH_ROOT}/sw/libhal
LIBHAL_BLD	?= ${LIBHAL_SRC}

LIBS		= ${LIBHAL_BLD}/libhal.a ${LIBTFM_BLD}/libtfm.a

CFLAGS		?= -g3 -Wall -fPIC -std=c99 -I${LIBHAL_SRC} -I${LIBTFM_BLD}

# Which tests to build depends on how the library was compiled.

CORE_TESTS	= test-aes-key-wrap test-hash test-pbkdf2 test-ecdsa test-bus test-trng test-rsa test-mkmif
SERVER_TESTS	= test-rpc_server
CLIENT_TESTS	= test-rpc_hash test-rpc_pkey test-rpc_get_version test-rpc_get_random test-rpc_login test-rpc_bighash

ALL_TESTS	= ${CORE_TESTS} ${SERVER_TESTS} ${CLIENT_TESTS}

ifeq "${RPC_MODE}" "none"

  BIN += ${CORE_TESTS}

else ifeq "${RPC_MODE}" "server"

  BIN += ${CORE_TESTS} ${SERVER_TESTS}

else

  BIN += ${CLIENT_TESTS}

endif

$(info Building libhal with configuration IO_BUS=${IO_BUS} RPC_MODE=${RPC_MODE} KS=${KS} RPC_TRANSPORT=${RPC_TRANSPORT} MODEXP_CORE=${MODEXP_CORE})

all: ${BIN}

test: all
	for i in ${BIN}; do (set -x; ./$$i); done

clean distclean:
	rm -f *.o ${ALL_TESTS}

${BIN}: %: %.o ${LIBS}
	${CC} ${CFLAGS} -o $@ $^ ${LDFLAGS}

%.o: %.c ${LBHAL_SRC}/*.h ${LIBTFM_BLD}/tfm.h
	${CC} ${CFLAGS} -c -o $@ $<
n range(len(data)): dst.write(data[i]) time.sleep(0.1) if len(data) == 4: print("Wrote 0x{:02x}{:02x}{:02x}{:02x}".format(ord(data[0]), ord(data[1]), ord(data[2]), ord(data[3]))) else: print("Wrote {!r}".format(data)) def _read(dst, verbose=False): res = '' while True: x = dst.read(1) if not x: break res += x if res and verbose: print ("Read {!r}".format(res)) return res def send_file(filename, args): s = os.stat(filename) size = s.st_size src = open(filename, 'rb') chunk_size = CHUNK_SIZE print("Waiting for contact with the bootloader on device {!s}, reset the CrypTech Alpha...".format(args.device)) while True: try: dst = serial.Serial(args.device, 921600, timeout=0.1) except serial.SerialException: time.sleep(0.2) continue dst.write('\r') response = _read(dst, args.verbose) if 'OK' in response: dst.timeout=2 break print('\nUploading firmware\n') crc = 0 counter = 0 # 1. Write size of file (4 bytes) _write(dst, struct.pack('<I', size)) _read(dst, args.verbose) # 2. Write file contents while calculating CRC-32 while True: data = src.read(chunk_size) if not data: break dst.write(data) print("Wrote {!s} bytes (chunk {!s}/{!s})".format(len(data), counter, int(size / chunk_size))) # read ACK (a counter of number of 4k chunks received) while True: ack_bytes = dst.read(4) if len(ack_bytes) == 4: break print('ERROR: Did not receive an ACK, got {!r}'.format(ack_bytes)) dst.write('\r') # eventually get back to the CLI prompt ack = struct.unpack('<I', ack_bytes)[0] if ack != counter + 1: print('ERROR: Did not receive the expected counter as ACK (got {!r}/{!r}, not {!r})'.format(ack, ack_bytes, counter)) flush = dst.read(100) print('FLUSH data: {!r}'.format(flush)) return False counter += 1 crc = crc32(data, crc) & 0xffffffff _read(dst, args.verbose) # 3. Write CRC-32 (4 bytes) _write(dst, struct.pack('<I', crc)) if args.verbose: print('\nFinished - this command might hang now depending on the firmware loaded') _read(dst, args.verbose) else: print('\nFinished uploading firmware') src.close() dst.close() return True def main(args): send_file(args.filename, args) return True if __name__ == '__main__': try: args = parse_args() if main(args): sys.exit(0) sys.exit(1) except KeyboardInterrupt: pass